High capacity reversible data hiding in encrypted images based on adaptive quadtree partitioning and MSB prediction.
Kaili QiMinqing ZhangFuqiang DiYongjun KongPublished in: Frontiers Inf. Technol. Electron. Eng. (2023)
Keyphrases
- high capacity
- quadtree
- reversible data hiding
- data hiding
- pixel values
- image classification
- image data
- data storage
- halftone images
- input image
- barcode
- multiresolution
- image features
- original images
- lossy compression
- image retrieval
- test images
- image representation
- data structure
- image processing
- query processing
- lossless compression
- jpeg images
- information hiding